934 WWUS55 KCYS 172245 SQWCYS BULLETIN - IMMEDIATE BROADCAST REQUESTED Snow Squall Warning National Weather Service Cheyenne WY 345 PM MST Wed Dec 17 2025 WYC001-007-172345- /O.NEW.KCYS.SQ.W.0012.251217T2245Z-251217T2345Z/ Carbon WY-Albany WY- 345 PM MST Wed Dec 17 2025 The National Weather Service in Cheyenne has issued a * Snow Squall Warning for... East central Carbon County in south central Wyoming... West central Albany County in southeastern Wyoming... * Until 445 PM MST. * At 344 PM MST, a dangerous snow squall was located along a line extending from near Battle Mountain to 12 miles southwest of Hanna, moving east at 50 mph. HAZARD...Flash freeze on roads. Intense bursts of heavy snow. Gusty winds leading to blowing snow and visibility rapidly falling to less than one-quarter mile. Wind gusts up to 80 mph could knock down tree limbs and blow around unsecured objects. SOURCE...Radar and webcams. IMPACT...Dangerous and life-threatening travel conditions are expected to develop rapidly in the warning area. This includes Interstate 80 in Wyoming between mile markers 240 and 292. Locations impacted include... Hanna, Rock River, Elk Mountain, McFadden, Bow River Campground, Deep Creek Campground, and Arlington. PRECAUTIONARY/PREPAREDNESS ACTIONS... Wet roadways will quickly freeze. Black ice will cause roads, bridges, and overpasses to become slick and dangerous. Slow down and be prepared for a sudden loss of traction. There is no safe place on a highway when a snow squall hits. Visibility and traction are immediately lost in whiteout conditions, making it difficult or impossible to slow down and avoid stopped vehicles. Delay travel or safely exit the highway before the snow squall arrives. && LAT...LON 4172 10566 4132 10600 4163 10684 4196 10653 TIME...MOT...LOC 2244Z 276DEG 44KT 4203 10622 4171 10666 SNOW SQUALL...OBSERVED SNOW SQUALL IMPACT...SIGNIFICANT $$ Natoli